release: decrease log level for preflight check

Previously, the preflight check was logging at the trace level, which
created a huge log file, what caused the API server to reject
submissions due to the log file size. At the same time, the catalog
still showed the image as published, which was misleading. This commit
reduce the log level to error.

Release note: none
Epic: none

Author: rail

build/teamcity/internal/cockroach/release/publish/publish-redhat-release.sh

@@ -77,7 +77,7 @@ mkdir -p artifacts
 docker run \
   --rm \
   --security-opt=label=disable \
-  --env PFLT_LOGLEVEL=trace \
+  --env PFLT_LOGLEVEL=error \
   --env PFLT_ARTIFACTS=/artifacts \
   --env PFLT_LOGFILE=/artifacts/preflight.log \
   --env PFLT_CERTIFICATION_PROJECT_ID="$rhel_project_id" \